76 to 100 of 156 Jest Jobs

Senior Fullstack Developer

Hiring Organisation
Version 1
Location
Belfast, Down, United Kingdom
Salary
£ 60 K
Python, contributing to the design, build, and support of scalable and secure full-stack web applications using FastAPI. Experience in Unit Testing with Jest Experience with GraphQL with React for efficient data fetching and state management is preferred. Consume and integrate RESTful APIs to efficiently connect frontend applications with backend ...

Senior Fullstack Developer

Hiring Organisation
Version 1
Location
Edinburgh, Midlothian, United Kingdom
Salary
£ 70 K
Python, contributing to the design, build, and support of scalable and secure full-stack web applications using FastAPI. Experience in Unit Testing with Jest Experience with GraphQL with React for efficient data fetching and state management is preferred. Consume and integrate RESTful APIs to efficiently connect frontend applications with backend ...

Senior Fullstack Developer

Hiring Organisation
Version 1
Location
Manchester, Greater Manchester, United Kingdom
Salary
£ 70 K
Python, contributing to the design, build, and support of scalable and secure full-stack web applications using FastAPI. Experience in Unit Testing with Jest Experience with GraphQL with React for efficient data fetching and state management is preferred. Consume and integrate RESTful APIs to efficiently connect frontend applications with backend ...

Senior Fullstack Developer

Hiring Organisation
Version 1
Location
Newcastle Upon Tyne, Tyne and Wear, United Kingdom
Salary
£ 60 K
Python, contributing to the design, build, and support of scalable and secure full-stack web applications using FastAPI. Experience in Unit Testing with Jest Experience with GraphQL with React for efficient data fetching and state management is preferred. Consume and integrate RESTful APIs to efficiently connect frontend applications with backend ...

Senior Fullstack Developer

Hiring Organisation
Version 1
Location
Birmingham, West Midlands (County), United Kingdom
Salary
£ 70 K
Python, contributing to the design, build, and support of scalable and secure full-stack web applications using FastAPI. Experience in Unit Testing with Jest Experience with GraphQL with React for efficient data fetching and state management is preferred. Consume and integrate RESTful APIs to efficiently connect frontend applications with backend ...

Principal Software Engineer

Hiring Organisation
Raytheon
Location
Manchester, Greater Manchester, United Kingdom
Salary
£ 80 K
Kubernetes, OpenShift)Infrastructure as Code (Terraform, Ansible)Relational Databases (e.g. PostgreSQL)Elasticsearch/OpensearchUnit testing/automation and use of testing frameworks (e.g. Mocha, Jest, Cypress)We appreciate you may not be an expert in every area above - we can support with training and development in some areas! Please ...

Principal Software Engineer

Hiring Organisation
Raytheon
Location
Gloucester, Gloucestershire, United Kingdom
Salary
£ 80 K
Kubernetes, OpenShift)Infrastructure as Code (Terraform, Ansible)Relational Databases (e.g. PostgreSQL)Elasticsearch/OpensearchUnit testing/automation and use of testing frameworks (e.g. Mocha, Jest, Cypress)We appreciate you may not be an expert in every area above - we can support with training and development in some areas! Please ...

Senior Engineer - Payments

Location
Greater London, England, United Kingdom
facing web applications. Backend Expertise: Deep hands-on experience with Python , FastAPI , PostgreSQL , Redis , and secure RESTful APIs. Frontend Proficiency: Mastery of TypeScript , React , Jest , and Storybook . (Experience with Micro-Frontends is a massive bonus). DevOps & Cloud: Comfort with AWS , Docker , Kubernetes , and Terraform for Infrastructure as Code. ...

Senior Fullstack Engineer (Payments Experience)

Hiring Organisation
ebury
Location
London, United Kingdom
Salary
£ 80 K
performance, client-facing web applications.Backend Expertise: Deep hands-on experience with Python, FastAPI, PostgreSQL, Redis, and secure RESTful APIs.Frontend Proficiency: Mastery of TypeScript, React, Jest, and Storybook. (Experience with Micro-Frontends is a massive bonus).DevOps & Cloud: Comfort with AWS, Docker, Kubernetes, and Terraform for Infrastructure as Code.Engineering Mindset: Strong ...

Fullstack Software Engineer III - Java

Hiring Organisation
JP Morgan Chase
Location
Glasgow, Lanarkshire, United Kingdom
Salary
£ 80 K
scripting, and application services including Apache, Tomcat, and Spring BootExperience with user interface technologies (Angular, TypeScript, React) and user interface testing tools (Jasmine, Karma, Jest)Working experience with cloud-native platforms (AWS, Kubernetes, or private cloud environments)Hands-on experience using enterprise-authorized AI-assisted software development tools within ...

Frontend Software Engineer

Location
Greater London, England, United Kingdom
Query, React Context API) and client-side routing. Experience with common frontend tooling, testing, and CI frameworks (e.g., Vite/Webpack, NPM, ESLint, Jest, Playwright). Proven success in building scalable, responsive visual interfaces with strong cross-browser compatibility and user experience design sensibilities. Familiarity with RESTful APIs, modern integration ...

Senior Digital Engineer

Hiring Organisation
Hastings Direct
Location
Bexhill, East Sussex, United Kingdom
Salary
£ 70 K
authentication (e.g., JWT).Familiarity with popular frontend development tools such as Node, NPM, CI/CD pipelines, DevOps practices, and performance testing frameworks like Jest and React Testing Library. Experience with performance and memory tuning using relevant tools.What we offerJoin us and you’ll find a different way of doing ...

Senior Digital Engineer

Location
Leicester, England, United Kingdom
e.g., JWT).* Familiarity with popular frontend development tools such as Node, NPM, CI/CD pipelines, DevOps practices, and performance testing frameworks like Jest and React Testing Library. Experience with performance and memory tuning using relevant tools.**What we offer**Join us and you’ll find a different ...

Senior Full Stack Engineer - Team Web

Hiring Organisation
Intercom
Location
London, United Kingdom
Salary
£ 80 K
performance optimization techniques and best practices for fast-loading, responsive websites.Experience in writing tests for front-end components, with familiarity in testing frameworks (e.g., Jest, Mocha, Cypress).Strong problem-solving skills and the ability to work independently and as part of a team.Bachelor’s degree in Computer Science, Software Engineering ...

Lead Frontend Engineer

Location
United Kingdom
CQRS to manage complex workflows. PostgreSQL and Marten handle data persistence, while RabbitMQ powers our messaging layer. We maintain quality through automated testing with Jest, xUnit, and TestCafe. Infrastructure Kiplot runs on AWS with Kubernetes orchestration , using Docker containers and Terraform for infrastructure as code. GitLab handles our CI/ ...

Software Developer (Node.js & Angular)

Hiring Organisation
scrumconnect ltd
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Permanent
Salary
GBP 65,000 - 70,000 Annual
Front End applications using Angular and TypeScript Write clean, maintainable and well-tested code using modern engineering practices Build and maintain automated tests using Jest Contribute to CI/CD pipelines using GitLab CI/CD Support cloud-native deployments using AWS and container technologies Participate in architecture discussions, code … developing applications with Node.js Excellent JavaScript and TypeScript knowledge Experience building REST APIs using Express.js Commercial Angular development experience Experience writing automated tests using Jest Experience using GitLab CI/CD Understanding of Agile software delivery Experience working with Git Desirable Skills Experience with some of the following technologies would ...

Node Software Developer

Hiring Organisation
Matched Group
Location
Reading, Berkshire, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
with NestJS Experience in a fast-paced or high growth environment Experience with GIT, Docker, VS Code Experience with unit and integration testing using Jest Understanding of CI/CD principles. Experience working with SQL and/or NoSQL databases Strong problem solver Excellent written and verbal communication skills ...

Frontend Architect - React

Hiring Organisation
HCLTech
Location
London Area, United Kingdom
reactive programming paradigms Architecture: Strong understanding of micro-frontends and Single Page Applications (SPA) Testing: Hands-on experience with React Testing Library/Jest for unit and integration testing UI Automation (Good to Have): Exposure to frameworks like Playwright or Cypress Desired Experience Experience working on financial services or trading ...

Frontend Architect - React AI

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
reactive programming paradigms Architecture: Strong understanding of micro-frontends and Single Page Applications (SPA) Testing: Hands-on experience with React Testing Library/Jest for unit and integration testing UI Automation (Good to Have): Exposure to frameworks like Playwright or Cypress Desired Experience Experience working on financial services or trading ...

Principal Front End Developer React - Consultancy

Hiring Organisation
Client Server
Location
London, United Kingdom
Salary
£ 100 K
with modern CSS techniques (Flexbox, Grid) and frameworks like SASS, Material UI and BootstrapYou have experience with Redux, Webpack and modern testing frameworks like Jest, Mocha or EnzymeYou have a thorough understanding of the software development lifecycle, and are familiar with DevOps, CI/CD pipelines and Containerisation (Docker/ ...

Software Engineer

Location
Portsmouth, England, United Kingdom
Front-end frameworks: Vue.js and React.js APIs: GraphQL and REST Databases: MSSQL, MySQL and PostgreSQL Git and version control best practices Testing frameworks (PHPUnit, Jest, Cucumber) Agile methodologies without the ceremony - we take a very lean approach Docker CI/CD and cloud hosting Architecture scalability performance tuning Education ...

Full-Stack Software Engineer III

Hiring Organisation
Elsevier
Location
Oxford, Oxfordshire, United Kingdom
Salary
£ 70 K
open to discussing and honing approaches for our team to improve our working practices Have some experience of test-driven development and mocking libraries (Jest, Mockito) Be familiar with collaborative documentation tools (Jira and Confluence) Have some real knowledge of Agile practices and execution (Scrum, Kanban) Wanting to learn ...

Product Engineer

Hiring Organisation
Consortia
Location
London, United Kingdom
Salary
£ 80 K
data development• Flask and FastAPI• React with Typescript and Vite• AWS services including ECS, Lambda and event-driven architectures• Postgres• React Query• Jest, React Testing Library and PlaywrightThis role is particularly well suited to an individual who naturally considers the broader product impact of their work and enjoys collaborating closely ...

Software Engineer

Hiring Organisation
Raytheon
Location
Gloucester, Gloucestershire, UK
Employment Type
Full-time
Docker, Kubernetes, OpenShift)Infrastructure as Code (Terraform, Ansible)Data & Search TechnologiesRelational Databases (e.g. PostgreSQL)Elasticsearch/OpensearchTesting & QualityUnit testing and automationTesting frameworks (e.g. Mocha, Jest, Cypress)Delivery & CollaborationExperience working in an Agile delivery teamUse of code repositories (e.g. GitLab); familiarity with branching strategies, pull requests and merge processesPlease ensure ...

Full-stack Lead Software Engineer — Application Owner

Location
Greater London, England, United Kingdom
integration/continuous delivery pipelines, and operational support Strong proficiency in frontend development with React, including state management and testing with frameworks such as Jest or React Testing Library Advanced knowledge of backend development using Node.js and TypeScript to build RESTful APIs, along with strong experience writing and maintaining comprehensive ...